Saw this in CentOS7 using gcc 4.8.2:
btl_openib_component.c: In function 'init_one_device':
btl_openib_component.c:2019:54: warning: comparison between 'enum <anonymous>'
and 'mca_base_var_source_t' [-Wenum-compare]
else if (BTL_OPENIB_RQ_SOURCE_DEVICE_INI ==Ralph
